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AWS BAg-2a vs. ZC63A Magnesium

AWS BAg-2a belongs to the otherwise unclassified metals classification, while ZC63A magnesium belongs to the magnesium alloys. There are 17 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is AWS BAg-2a and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
48
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 31
19
Tensile Strength: Ultimate (UTS), MPa 170
220

Thermal Properties

Latent Heat of Fusion, J/g 130
330
Melting Completion (Liquidus), °C 710
550
Melting Onset (Solidus), °C 610
470
Specific Heat Capacity, J/kg-K 310
950
Thermal Expansion, µm/m-K 23
26

Otherwise Unclassified Properties

Density, g/cm3 8.8
2.1
Embodied Carbon, kg CO2/kg material 30
22
Embodied Energy, MJ/kg 470
150

Common Calculations

Stiffness to Weight: Axial, points 5.2
13
Stiffness to Weight: Bending, points 17
58
Strength to Weight: Axial, points 5.4
29
Strength to Weight: Bending, points 7.8
38
Thermal Shock Resistance, points 6.5
12

Alloy Composition

Cadmium (Cd), % 19 to 21
0
Copper (Cu), % 26 to 28
2.4 to 3.0
Magnesium (Mg), % 0
89.2 to 91.9
Manganese (Mn), % 0
0.25 to 0.75
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0
0 to 0.2
Silver (Ag), % 29 to 31
0
Zinc (Zn), % 21 to 25
5.5 to 6.5
Residuals, % 0
0 to 0.3